import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Job from '../components/Job.vue'
import Help from '../components/Help.vue'
Vue.use(VueRouter)

const routes = [
  // 重定向
   {path:'/',redirect:'/login'},
  //  路由组件
   {path:'/login',component:Login},
   {path:'/home',
    component:Home,
    redirect:'/job',
   // Home 子路由规则
    children: [
      { path: '/job', component: Job },
      { path: '/help', component: Help }

    ]}
]

const router = new VueRouter({
    // mode: 'history',
    mode: 'hash',
  routes
})



// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数表示放行
  // next() 放行，next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
